jQuery日历签到插件

插件比较简单，先来看DEMO吧，http://codepen.io/jonechen/pen/bZWdXq；

CSS部分：

*{margin:0;padding:0;font:14px/1.8 "Helvetica Neue","microsoft yahei";}
ul,li{list-style:none;}
body{background: #fff; }
.checkin{margin: auto auto auto auto; }
.clear {clear:both; height:0; overflow:hidden; display:block; line-height:0}
.clearfix:after {clear:both;font-size:0; height:0; display:block; visibility:hidden; content:" "; line-height:0}
.clearfix {zoom:1}/* for IE6 IE7 */
.title{height: 36px;line-height: 36px;font-size: 16px;margin-bottom: 10px;}
.title p{float: left;width: 80%;height: 36px;line-height: 36px;font-size: 16px;}
.title a{display: inline-block;width: 20%;height: 36px;line-height: 36px;text-align: center;background: #42941a;border-radius: 5px;color: #fff;text-decoration: none;font-size: 16px;}
.checkin li{background: #fee684; float: left;padding: 10px;text-align: center;}
li.able-qiandao{background: #e9c530; }
li.checked{background:#fee684 url(http://i2.piimg.com/508767/a9576b09fc014d6e.png) no-repeat center;}
.mask{ width: 100%;height: 100%;position: absolute;top: 0;left: 0; background-color: rgba(0,0,0,0.55);visibility: hidden;transition: all 0.25s ease}
.modal{background:#fff;width: 450px;height: 400px;border-radius: 10px;position: absolute;margin-top: -200px;margin-left:-225px;left: 50%;top: 50%;border:5px solid #42941a;box-sizing:border-box;overflow: hidden;transform: translateY(-200%);transition: all 0.25s ease}
a.closeBtn{display: block;position: absolute;right: 10px;top: 5px;font-family: 'simsun';font-size: 18px;text-decoration: none;font-weight: bolder;color: #333}
.title_h1{text-align: center;font-size: 40px;font-weight: normal;padding-top: 80px;display: block;width: 100%}
.title_h1 span{display: inline-block;width: 40px;height: 40px;border-radius: 100%;background: #42941a;color: #fff;position: relative;float: left;margin-left: 30%;margin-top: 7px;}
.title_h1 span::before{width: 10px;height: 2px;background: #fff;position: absolute;left: 8px;top: 23px;display: block;line-height: 0;font-size: 0;content: ""; transform: rotate(52deg);}
.title_h1 span::after{width: 24px;height: 2px;background: #fff;position: absolute;left: 12px;top: 20px;display: block;line-height: 0;font-size: 0;content: "";transform: rotate(-45deg);}
.title_h1 em{display: inline-block;font-size: 30px;float: left;margin-left: 10px;}
.title_h1 i{display: inline-block;font-size: 16px;float: left;margin: 14px 0 0 10px;}
.title_h2{text-align: center;font-size: 16px;display: block;padding-top: 20px;}
.title_h2 span{font-size: 36px;color: #b25d06;}
.trf{visibility: visible;}
.trf .modal{transform: translateY(0);}

HTML部分：

<div class="checkin"></div>
<div class="mask">
	<div class="modal">
		<a href="#" class="closeBtn">×</a>
		<h1 class="title_h1 clearfix"><span></span><em>已签到</em> <i>您已签到2天</i></h1>
		<h2 class="title_h2">您获得现金<span>0.88元</span></h2>
	</div>
</div>

JS插件部分：

;
(function($) {
	var Checkin = function(ele, options) {
		this.ele = ele;
		this.opt = options;
		this.defaults = {
			width: 450,
			height: 'auto',
			background: '#f90',
			radius: 10,
			color: '#fff',
			padding: 10,
			dateArray: [1, 2, 4, 6], // 假设已签到的天数+1
		};
		this.obj = $.extend({}, this.defaults, this.opt);
	}
	Checkin.prototype.init = function() {
		var _self = this.ele,
			html = '',
			myDate = new Date(),
			year = myDate.getFullYear(),
			month = myDate.getMonth(),
			day = myDate.getDate(),
			weekText = ['日', '一', '二', '三', '四', '五', '六'];
		_self.css({
			width: this.obj.width + 'px',
			height: this.obj.height,
			background: this.obj.background,
			borderRadius: this.obj.radius,
			color: this.obj.color,
			padding: this.obj.padding
		}).append("<div class='title'><p>" + year + '年' + (month + 1) + '月' + day + '日' + "</p><a class=\'checkBtn\' href=\"javascript:;\">签到</a></div>");
		$("<ul class='week clearfix'></ul><ul class='calendarList clearfix'></ul>").appendTo(_self);
		for (var i = 0; i < 7; i++) {
			_self.find(".week").append("<li>" + weekText[i] + "</li>")
		};
		for (var i = 0; i < 42; i++) {
			html += "<li></li>"
		};
		_self.find(".calendarList").append(html);
		var $li = _self.find(".calendarList").find("li");
		_self.find(".week li").css({
			width: (_self.width() / 7) + 'px',
			height: 50 + 'px',
			borderRight: '1px solid #f90',
			boxSizing: 'border-box',
			background: '#b25d06'
		});
		$li.css({
			width: (_self.width() / 7) + 'px',
			height: 50 + 'px',
			borderRight: '1px solid #f90',
			borderBottom: '1px solid #f90',
			boxSizing: 'border-box',
			color: "#b25d06"
		});
		_self.find(".calendarList").find("li:nth-child(7n)").css('borderRight', 'none');
		_self.find(".week li:nth-child(7n)").css('borderRight', 'none');
		var monthFirst = new Date(year, month, 1).getDay();
		var d = new Date(year, (month + 1), 0)
		var totalDay = d.getDate(); //获取当前月的天数
		for (var i = 0; i < totalDay; i++) {
			$li.eq(i + monthFirst).html(i + 1);
			$li.eq(i + monthFirst).addClass('data' + (i + 1))
			if (isArray(this.obj.dateArray)) {
				for (var j = 0; j < this.obj.dateArray.length; j++) {
					if (i == this.obj.dateArray[j]) {
						// 假设已经签到的
						$li.eq(i + monthFirst).addClass('checked');
					}
				}
			}
		}
		//$li.eq(monthFirst+day-1).css('background','#f7ca8e')
		_self.find($(".data" + day)).addClass('able-qiandao');
	}
	var isChecked = false;
	Checkin.prototype.events = function() {
		var _self = this.ele;
		var $li = _self.find(".calendarList").find("li");
		$li.on('click', function(event) {
			event.preventDefault();
			/* Act on the event */
			if ($(this).hasClass('able-qiandao')) {
				$(this).addClass('checked');
				modal(_self);
				isChecked = true;
			}
		});
		var checkBtn = _self.find(".checkBtn");
		checkBtn.click(function(event) {
			modal(_self);
			_self.find('.able-qiandao').addClass('checked');
			isChecked = true;
		});
	}
	var modal = function(e) {
		var mask = e.parents().find(".mask");
		var close = e.parents().find(".closeBtn");
		if (mask && !isChecked) {
			mask.addClass('trf');
		} else {
			return
		};
		close.click(function(event) {
			event.preventDefault();
			mask.removeClass('trf')
		});
		e.parents().find('.checkBtn').text("已签到");
	}
	$.fn.Checkin = function(options) {
		var checkin = new Checkin(this, options);
		var obj = [checkin.init(), checkin.events()]
		return obj
	}
	var isArray = function(arg) {
		return Object.prototype.toString.call(arg) === '[object Array]';
	};
})(jQuery);
// 插件调用
$(".checkin").Checkin();
// 元素居中显示，与插件无关，根本自己需要修改；
$(".checkin").css('marginTop',parseInt(($(window).innerHeight()-$(".checkin").outerHeight())/2)+'px');